Urethritis (half lecture - Barker)

Question 1

gonococcal urethritis is also known as?

Answer 1

gonorrhea

Question 2

C. trachomatis causes what infection?

Answer 2

chlamydia.

Question 3

Case: a man with dysuria, thick pus, he has been putting a sock on it to prevent it from staining his pants. Diagnosis?

Answer 3

probably gonococcal (gonarrhea)

20% of gonorrhea pt’s are co-infected for Chlamydia. Always treat for both!!

Question 4

Case: a man with dysuria, he has a clear discharge coming out of his penis. It only comes out in the morning. Diagnosis?

Answer 4

likely to be non-gonococcal urethritis (chlamydia)

Question 5

Gram stain of pus ffrom penis: gram negative diplococci. Diagnosis?

Answer 5

neisseria gonorrheae

Question 6

How many WBCs per high power field diagnose urethritis?

Answer 6

> 2 WBC/ high power field.

Question 7

Case: someone with high risk sexual behavior - panel of testing to do?

Answer 7

Test for:

gonorrhea, chlamydia, syphilis, and HIV

Question 8

ceftriaxone and azithromycin, which antibiotic treats which type of urethritis?

Answer 8

ceftriaxone = gonococcal (N. gonorrhea)

azithromycin or doxycycline = non-gonococcal (chlamydia)